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<a href="#func-members">Functions</a> </div>
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<div class="title">bayes.sql_in File Reference</div> </div>
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<p>SQL functions for naive Bayes.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a0671e6ac35a1967f41d2efb9e8417e1b"><td class="memItemLeft" align="right" valign="top">args_and_value_double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a0671e6ac35a1967f41d2efb9e8417e1b">argmax_transition</a> (args_and_value_double oldmax, integer newkey, float8 newvalue)</td></tr>
<tr class="separator:a0671e6ac35a1967f41d2efb9e8417e1b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab150442ec577f4a0a3948176baf5ebd0"><td class="memItemLeft" align="right" valign="top">args_and_value_double&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#ab150442ec577f4a0a3948176baf5ebd0">argmax_combine</a> (args_and_value_double max1, args_and_value_double max2)</td></tr>
<tr class="separator:ab150442ec577f4a0a3948176baf5ebd0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa7017323fd6fad40c9acbbee5f1fec7e"><td class="memItemLeft" align="right" valign="top">integer []&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#aa7017323fd6fad40c9acbbee5f1fec7e">argmax_final</a> (args_and_value_double finalstate)</td></tr>
<tr class="separator:aa7017323fd6fad40c9acbbee5f1fec7e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad47c68a2b8aeedf66d509f0c32a9732d"><td class="memItemLeft" align="right" valign="top">aggregate integer []&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#ad47c68a2b8aeedf66d509f0c32a9732d">argmax</a> (integer key, float8 value)</td></tr>
<tr class="separator:ad47c68a2b8aeedf66d509f0c32a9732d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aeb4eae7843dd789cc38d5fc57f4ccfb2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#aeb4eae7843dd789cc38d5fc57f4ccfb2">create_nb_prepared_data_tables</a> (varchar trainingSource, varchar trainingClassColumn, varchar trainingAttrColumn, integer numAttrs, varchar featureProbsDestName, varchar classPriorsDestName)</td></tr>
<tr class="memdesc:aeb4eae7843dd789cc38d5fc57f4ccfb2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Precompute all class priors and feature probabilities. <a href="#aeb4eae7843dd789cc38d5fc57f4ccfb2">More...</a><br /></td></tr>
<tr class="separator:aeb4eae7843dd789cc38d5fc57f4ccfb2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3ed5ddbc4cab1013db8604be58a6da3d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a3ed5ddbc4cab1013db8604be58a6da3d">create_nb_prepared_data_tables</a> (varchar trainingSource, varchar trainingClassColumn, varchar trainingAttrColumn, varchar numericAttrsColumnIndices, integer numAttrs, varchar featureProbsDestName, varchar numericFeatureStatsDestName, varchar classPriorsDestName)</td></tr>
<tr class="separator:a3ed5ddbc4cab1013db8604be58a6da3d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a798402280fc6db710957ae3ab58767e0"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a798402280fc6db710957ae3ab58767e0">create_nb_classify_view</a> (varchar featureProbsSource, varchar classPriorsSource, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar destName)</td></tr>
<tr class="memdesc:a798402280fc6db710957ae3ab58767e0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create a view with columns <code>(key, nb_classification)</code> <a href="#a798402280fc6db710957ae3ab58767e0">More...</a><br /></td></tr>
<tr class="separator:a798402280fc6db710957ae3ab58767e0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4e8e24120269be2b58f959ab5473b2cb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a4e8e24120269be2b58f959ab5473b2cb">create_nb_classify_view</a> (varchar featureProbsSource, varchar classPriorsSource, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar numericFeatureStatsSource, varchar destName)</td></tr>
<tr class="separator:a4e8e24120269be2b58f959ab5473b2cb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6472f620099368cb8c334e0badb12133"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a6472f620099368cb8c334e0badb12133">create_nb_classify_view</a> (varchar trainingSource, varchar trainingClassColumn, varchar trainingAttrColumn, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar destName)</td></tr>
<tr class="separator:a6472f620099368cb8c334e0badb12133"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a76a03f1d7ff2b1891cb310668077b386"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a76a03f1d7ff2b1891cb310668077b386">create_nb_classify_view</a> (varchar trainingSource, varchar trainingClassColumn, varchar trainingAttrColumn, varchar numericAttrsColumnIndices, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar destName)</td></tr>
<tr class="separator:a76a03f1d7ff2b1891cb310668077b386"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a163afffd0c845d325f060f74bcf02243"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a163afffd0c845d325f060f74bcf02243">create_nb_probs_view</a> (varchar featureProbsSource, varchar classPriorsSource, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar destName)</td></tr>
<tr class="memdesc:a163afffd0c845d325f060f74bcf02243"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create view with columns <code>(key, class, nb_prob)</code> <a href="#a163afffd0c845d325f060f74bcf02243">More...</a><br /></td></tr>
<tr class="separator:a163afffd0c845d325f060f74bcf02243"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2e02b0ebb0b4c2ca77b1748662bae78f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a2e02b0ebb0b4c2ca77b1748662bae78f">create_nb_probs_view</a> (varchar featureProbsSource, varchar classPriorsSource, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar numericFeatureStatsSource, varchar destName)</td></tr>
<tr class="separator:a2e02b0ebb0b4c2ca77b1748662bae78f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aba5d695641530e55b25c8007b77142b9"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#aba5d695641530e55b25c8007b77142b9">create_nb_probs_view</a> (varchar trainingSource, varchar trainingClassColumn, varchar trainingAttrColumn, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar destName)</td></tr>
<tr class="separator:aba5d695641530e55b25c8007b77142b9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6d1186aa04f4d4e3ac44035467818d3c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="bayes_8sql__in.html#a6d1186aa04f4d4e3ac44035467818d3c">create_nb_probs_view</a> (varchar trainingSource, varchar trainingClassColumn, varchar trainingAttrColumn, varchar numericAttrsColumnIndices, varchar classifySource, varchar classifyKeyColumn, varchar classifyAttrColumn, integer numAttrs, varchar destName)</td></tr>
<tr class="separator:a6d1186aa04f4d4e3ac44035467818d3c"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><dl class="section date"><dt>Date</dt><dd>January 2011</dd></dl>
<dl class="section see"><dt>See also</dt><dd>For a brief introduction to Naive Bayes Classification, see the module description <a class="el" href="group__grp__bayes.html">Naive Bayes Classification</a>. </dd></dl>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="ad47c68a2b8aeedf66d509f0c32a9732d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad47c68a2b8aeedf66d509f0c32a9732d">&#9670;&nbsp;</a></span>argmax()</h2>
<div class="memitem">
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<td class="memname">aggregate integer [] argmax </td>
<td>(</td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>key</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float8&#160;</td>
<td class="paramname"><em>value</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="ab150442ec577f4a0a3948176baf5ebd0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab150442ec577f4a0a3948176baf5ebd0">&#9670;&nbsp;</a></span>argmax_combine()</h2>
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<tr>
<td class="memname">args_and_value_double argmax_combine </td>
<td>(</td>
<td class="paramtype">args_and_value_double&#160;</td>
<td class="paramname"><em>max1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">args_and_value_double&#160;</td>
<td class="paramname"><em>max2</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="aa7017323fd6fad40c9acbbee5f1fec7e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa7017323fd6fad40c9acbbee5f1fec7e">&#9670;&nbsp;</a></span>argmax_final()</h2>
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<td class="memname">integer [] argmax_final </td>
<td>(</td>
<td class="paramtype">args_and_value_double&#160;</td>
<td class="paramname"><em>finalstate</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="a0671e6ac35a1967f41d2efb9e8417e1b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0671e6ac35a1967f41d2efb9e8417e1b">&#9670;&nbsp;</a></span>argmax_transition()</h2>
<div class="memitem">
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<td class="memname">args_and_value_double argmax_transition </td>
<td>(</td>
<td class="paramtype">args_and_value_double&#160;</td>
<td class="paramname"><em>oldmax</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>newkey</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float8&#160;</td>
<td class="paramname"><em>newvalue</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="a798402280fc6db710957ae3ab58767e0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a798402280fc6db710957ae3ab58767e0">&#9670;&nbsp;</a></span>create_nb_classify_view() <span class="overload">[1/4]</span></h2>
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<td class="memname">void create_nb_classify_view </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>featureProbsSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classPriorsSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifySource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyKeyColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>numAttrs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>destName</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The created relation will be</p>
<p><code>{TABLE|VIEW} <em>destName</em> (key, nb_classification)</code></p>
<p>where <code>nb_classification</code> is an array containing the most likely class(es) of the record in <em>classifySource</em> identified by <code>key</code>.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">featureProbsSource</td><td>Name of table with precomputed feature probabilities, as created with <a class="el" href="bayes_8sql__in.html#aeb4eae7843dd789cc38d5fc57f4ccfb2" title="Precompute all class priors and feature probabilities. ">create_nb_prepared_data_tables()</a> </td></tr>
<tr><td class="paramname">classPriorsSource</td><td>Name of table with precomputed class priors, as created with <a class="el" href="bayes_8sql__in.html#aeb4eae7843dd789cc38d5fc57f4ccfb2" title="Precompute all class priors and feature probabilities. ">create_nb_prepared_data_tables()</a> </td></tr>
<tr><td class="paramname">classifySource</td><td>Name of the relation that contains data to be classified </td></tr>
<tr><td class="paramname">classifyKeyColumn</td><td>Name of column in <em>classifySource</em> that can serve as unique identifier (the key of the source relation) </td></tr>
<tr><td class="paramname">classifyAttrColumn</td><td>Name of attributes-array column in <em>classifySource</em> </td></tr>
<tr><td class="paramname">numAttrs</td><td>Number of attributes to use for classification </td></tr>
<tr><td class="paramname">destName</td><td>Name of the view to create</td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd><code>create_nb_classify_view</code> can be called in an ad-hoc fashion. See <a class="el" href="group__grp__bayes.html">Naive Bayes Classification</a> for instructions.</dd></dl>
<dl class="section user"><dt>Usage</dt><dd><ol type="1">
<li>Create Naive Bayes classifications view: <pre>SELECT <a class="el" href="bayes_8sql__in.html#a76a03f1d7ff2b1891cb310668077b386">create_nb_classify_view</a>(
'<em>featureProbsName</em>', '<em>classPriorsName</em>',
'<em>classifySource</em>', '<em>classifyKeyColumn</em>', '<em>classifyAttrColumn</em>',
<em>numAttrs</em>, '<em>destName</em>'
);</pre></li>
<li>Show Naive Bayes classifications: <pre>SELECT * FROM <em>destName</em>;</pre> </li>
</ol>
</dd></dl>
</div>
</div>
<a id="a4e8e24120269be2b58f959ab5473b2cb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4e8e24120269be2b58f959ab5473b2cb">&#9670;&nbsp;</a></span>create_nb_classify_view() <span class="overload">[2/4]</span></h2>
<div class="memitem">
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<td class="memname">void create_nb_classify_view </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>featureProbsSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classPriorsSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifySource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyKeyColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>numAttrs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>numericFeatureStatsSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>destName</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a6472f620099368cb8c334e0badb12133">&#9670;&nbsp;</a></span>create_nb_classify_view() <span class="overload">[3/4]</span></h2>
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<td class="memname">void create_nb_classify_view </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingClassColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifySource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyKeyColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>numAttrs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>destName</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a76a03f1d7ff2b1891cb310668077b386">&#9670;&nbsp;</a></span>create_nb_classify_view() <span class="overload">[4/4]</span></h2>
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<td class="memname">void create_nb_classify_view </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingClassColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>numericAttrsColumnIndices</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifySource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyKeyColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>numAttrs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>destName</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="aeb4eae7843dd789cc38d5fc57f4ccfb2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aeb4eae7843dd789cc38d5fc57f4ccfb2">&#9670;&nbsp;</a></span>create_nb_prepared_data_tables() <span class="overload">[1/2]</span></h2>
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<td class="memname">void create_nb_prepared_data_tables </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingClassColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>numAttrs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>featureProbsDestName</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classPriorsDestName</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Feature probabilities are stored in a table of format </p><pre>TABLE <em>featureProbsDestName</em> (
class INTEGER,
attr INTEGER,
value INTEGER,
cnt INTEGER,
attr_cnt INTEGER
)</pre><p>Class priors are stored in a table of format </p><pre>TABLE <em>classPriorsDestName</em> (
class INTEGER,
class_cnt INTEGER,
all_cnt INTEGER
)</pre><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">trainingSource</td><td>Name of relation containing the training data </td></tr>
<tr><td class="paramname">trainingClassColumn</td><td>Name of class column in training data </td></tr>
<tr><td class="paramname">trainingAttrColumn</td><td>Name of attributes-array column in training data </td></tr>
<tr><td class="paramname">numAttrs</td><td>Number of attributes to use for classification </td></tr>
<tr><td class="paramname">featureProbsDestName</td><td>Name of feature-probabilities table to create </td></tr>
<tr><td class="paramname">classPriorsDestName</td><td>Name of class-priors table to create</td></tr>
</table>
</dd>
</dl>
<dl class="section user"><dt>Usage</dt><dd>Precompute feature probabilities and class priors: <pre>SELECT <a class="el" href="bayes_8sql__in.html#a3ed5ddbc4cab1013db8604be58a6da3d">create_nb_prepared_data_tables</a>(
'<em>trainingSource</em>', '<em>trainingClassColumn</em>', '<em>trainingAttrColumn</em>',
<em>numAttrs</em>, '<em>featureProbsName</em>', '<em>classPriorsName</em>'
);</pre> </dd></dl>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a3ed5ddbc4cab1013db8604be58a6da3d">&#9670;&nbsp;</a></span>create_nb_prepared_data_tables() <span class="overload">[2/2]</span></h2>
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<td class="memname">void create_nb_prepared_data_tables </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingClassColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>numericAttrsColumnIndices</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>numAttrs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>featureProbsDestName</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>numericFeatureStatsDestName</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classPriorsDestName</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a id="a163afffd0c845d325f060f74bcf02243"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a163afffd0c845d325f060f74bcf02243">&#9670;&nbsp;</a></span>create_nb_probs_view() <span class="overload">[1/4]</span></h2>
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<td class="memname">void create_nb_probs_view </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>featureProbsSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classPriorsSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifySource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyKeyColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>numAttrs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>destName</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>The created view will be of the following form:</p>
<pre>VIEW <em>destName</em> (
key ANYTYPE,
class INTEGER,
nb_prob FLOAT8
)</pre><p>where <code>nb_prob</code> is the Naive-Bayes probability that <code>class</code> is the true class of the record in <em>classifySource</em> identified by <code>key</code>.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">featureProbsSource</td><td>Name of table with precomputed feature probabilities, as created with <a class="el" href="bayes_8sql__in.html#aeb4eae7843dd789cc38d5fc57f4ccfb2" title="Precompute all class priors and feature probabilities. ">create_nb_prepared_data_tables()</a> </td></tr>
<tr><td class="paramname">classPriorsSource</td><td>Name of table with precomputed class priors, as created with <a class="el" href="bayes_8sql__in.html#aeb4eae7843dd789cc38d5fc57f4ccfb2" title="Precompute all class priors and feature probabilities. ">create_nb_prepared_data_tables()</a> </td></tr>
<tr><td class="paramname">classifySource</td><td>Name of the relation that contains data to be classified </td></tr>
<tr><td class="paramname">classifyKeyColumn</td><td>Name of column in <em>classifySource</em> that can serve as unique identifier (the key of the source relation) </td></tr>
<tr><td class="paramname">classifyAttrColumn</td><td>Name of attributes-array column in <em>classifySource</em> </td></tr>
<tr><td class="paramname">numAttrs</td><td>Number of attributes to use for classification </td></tr>
<tr><td class="paramname">destName</td><td>Name of the view to create</td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd><code>create_nb_probs_view</code> can be called in an ad-hoc fashion. See <a class="el" href="group__grp__bayes.html">Naive Bayes Classification</a> for instructions.</dd></dl>
<dl class="section user"><dt>Usage</dt><dd><ol type="1">
<li>Create Naive Bayes probabilities view: <pre>SELECT <a class="el" href="bayes_8sql__in.html#a6d1186aa04f4d4e3ac44035467818d3c">create_nb_probs_view</a>(
'<em>featureProbsName</em>', '<em>classPriorsName</em>',
'<em>classifySource</em>', '<em>classifyKeyColumn</em>', '<em>classifyAttrColumn</em>',
<em>numAttrs</em>, '<em>destName</em>'
);</pre></li>
<li>Show Naive Bayes probabilities: <pre>SELECT * FROM <em>destName</em>;</pre> </li>
</ol>
</dd></dl>
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a2e02b0ebb0b4c2ca77b1748662bae78f">&#9670;&nbsp;</a></span>create_nb_probs_view() <span class="overload">[2/4]</span></h2>
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<td class="memname">void create_nb_probs_view </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>featureProbsSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classPriorsSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifySource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyKeyColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>numAttrs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>numericFeatureStatsSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>destName</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#aba5d695641530e55b25c8007b77142b9">&#9670;&nbsp;</a></span>create_nb_probs_view() <span class="overload">[3/4]</span></h2>
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<td class="memname">void create_nb_probs_view </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingClassColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifySource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyKeyColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>numAttrs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>destName</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a6d1186aa04f4d4e3ac44035467818d3c">&#9670;&nbsp;</a></span>create_nb_probs_view() <span class="overload">[4/4]</span></h2>
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<td class="memname">void create_nb_probs_view </td>
<td>(</td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingSource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingClassColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>trainingAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>numericAttrsColumnIndices</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifySource</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyKeyColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>classifyAttrColumn</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">integer&#160;</td>
<td class="paramname"><em>numAttrs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">varchar&#160;</td>
<td class="paramname"><em>destName</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</table>
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